In-line roller skate brake



FIG. 1 is a right rear perspective view of an in-line roller skate brake showing our new design, the broken line showing of the skate is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for an in-line roller skate brake, as shown and described. 